Mercedes Benz B 170 MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes Benz B 170. Check any B 170 by registration number below.

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95.8%

Avg Pass Rate

+5.6%

vs Mercedes Benz Avg

Year Ranges

Excellent

Reliability

Mercedes Benz B 170 — MOT Reliability Overview

The Mercedes Benz B 170 has an average MOT pass rate of 95.8%, which is 5.6 percentage points above the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the B 170 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Typical mileage for the B 170 is around 73,334 miles at 5 years. When evaluating a used B 170, compare the odometer reading against these benchmarks. Significantly lower mileage than expected could indicate a clocked vehicle — run a free mileage check to verify.

Before buying a used Mercedes Benz B 170, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Mercedes Benz B 170 performs at MOT across different model years.

2009

Based on 351 vehicles

96.3%Excellent

Mercedes Benz average: 90.2%

Mileage at 5yr

68k mi

Mileage at 10yr

141k mi

2008

Based on 554 vehicles

95.7%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

43k mi

Mileage at 5yr

73k mi

Mileage at 10yr

144k mi

2007

Based on 521 vehicles

95.2%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

35k mi

Mileage at 5yr

58k mi

Mileage at 10yr

99k mi

2006

Based on 499 vehicles

96.2%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

48k mi

Mileage at 5yr

72k mi

Mileage at 10yr

110k mi

2005

Based on 351 vehicles

95.4%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

112k mi

Typical Mileage — Mercedes Benz B 170

Average mileage readings recorded at MOT tests for the 2008 model year range. Use these benchmarks to evaluate a used B 170.

At 3 Years

43,295

miles

At 5 Years

73,334

miles

At 10 Years

144,030

miles

Other Mercedes Benz Models

Compare MOT reliability across Mercedes Benz models.

Mercedes Benz E 300

94.2% pass rate

Mercedes Benz E

83.5% pass rate

Mercedes Benz Amg Gla 45 S 4matic+ Auto

92.7% pass rate

Mercedes Benz V

85.8% pass rate

Mercedes Benz Vito 112

87.8% pass rate

Mercedes Benz Sl 500

100.0% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Mercedes Benz B 170

Mercedes Benz B 170 — Frequently Asked Questions

Common questions about the Mercedes Benz B 170 MOT and reliability.

What is the MOT pass rate for the Mercedes Benz B 170?

The average MOT pass rate for the Mercedes Benz B 170 is 95.8% compared to the Mercedes Benz average of 90.2%. Pass rates vary by year — check the year-by-year breakdown on this page for details.

What are the most common MOT failures on a Mercedes Benz B 170?

Check the detailed breakdown on this page for specific failure data by year range.

Is the Mercedes Benz B 170 reliable?

With an average MOT pass rate of 95.8%, the Mercedes Benz B 170 is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.

How do I check the MOT history of a Mercedes Benz B 170?

Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.

What mileage should I expect on a Mercedes Benz B 170?

Typical mileage for the Mercedes Benz B 170: 67,721 miles at 5 years, 141,469 miles at 10 years. Use these benchmarks when evaluating a used B 170 to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz B 170's MOT History

Enter the registration number for the full MOT history — free and instant.